#!/usr/bin/env python 
# -*- coding: utf-8 -*-
# @Time    : 2022/9/19 9:15
# @Author  : Junzhao
# @File    : 调用函数.py
# @Software: PyCharm

def add():
    print(15)


def add_modify(a: int, b: int):
    add()
    print(a + b)
    add_modify(15, 15)


add_modify(10, 20)
